Writing Chemical Formulas

Ionic Compound Formulas

100

Sodium Chloride

NaCl

200

Magnesium Bromide

MgBr₂

300

Calcium Carbonate

CaCO₃

400

Aluminum Selenide

Al₂Se₃

500

Potassium Thiosulfate

K₂S₂O₃

Ionic Compound Formulas (With Transition Metals)

100

Silver Chloride

AgCl

200

Manganese (III) Oxide

Mn₂O₃

300

Copper (I) Phosphate

Cu₃PO₄

400

Titanium (III) Sulfite

Ti₂(SO₃)3

500

Cadmium Phosphide

Cd₃P₂

Covalent Compound Formulas

100

Dihydrogen Monoxide

H₂O

200

Carbon Dioxide

CO₂

300

Diphosphorus Trinitride

P₂N₃

400

Xenon Hexachloride

XeF₆

500

Trinitrogen Pentoxide

N₃O₅

Naming Ionic Compounds

100

MgS

Magnesium Sulfide

200

BaCr₂O₇

Barium Dichromate

300

W(C₂H₃O₂)₆

Tungsten Acetate 

400

VS₂

Vanadium (IV) Sulfide

500

AuPO₄

Gold (III) Phosphate

Naming Covalent Compounds

100

SiO₂

Silicon Dioxide

200

H₂O

Dihydrogen Monoxide

300

N₂H₄

Dinitrogen Tetrahydride

400

Cl₂O₆

Dichloride Hexoxide

500

P₄O₁₀

Tetraphosphorus Decoxide